Jury rig — Not to be confused with Jury tampering. Jury rigging refers to makeshift repairs or temporary contrivances, made with only the tools and materials that happen to be on hand. Originally a nautical term, on sailing ships a jury rig is a replacement … Wikipedia

Boeing 737 rudder issues — Starting in 1991, a number of accidents and incidents involving the Boeing 737 were the result of the airplanes unexpected movement of its rudder. The rudder is controlled by the Power Control Unit (PCU). Inside the PCU is a dual servo valve… … Wikipedia

Aurora's drift — refers to the Antarctic expedition ship SY Aurora , and its drift in the Ross Sea and Southern Ocean pack ice for a period of 282 days from 7 May 1915 to 12 February 1916. Aurora had brought the Ross Sea party mdash;a support team for Sir Ernest… … Wikipedia